What is “confirmation bias”(10) ? What is the “backfire effect”(11)?

What was the main idea or message taught by the ballad, "king john and the abbot of canterbury"?

This passage from chapter 4 of story of my life is an example of which story of plot

Which statement contains an opinion? the ants serve to protect the acacia from other plants and herbivores. the acacia depends on pollinators for the exchange of genetic material. the acacia has no chemical defenses to discourage herbivores. the ants provide the acacia with the best protection from other plants and herbivores.